﻿using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;

namespace HR60_PanelSoft.Tools
{
    class StringUils
    {
        public static  bool  isBlack(string s){

            if (s == null)
                return true;

            if (s.Trim() == "")
                return true;



            return false;



        }

        public static void writeStreamString(StreamWriter sw, string s)
        {
            if(!isBlack(s))
              sw.WriteLine(s);
        }
    }
}
